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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-21 21:01:47 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-31 00:24:28 +0100 |
| commit | 517c856d7fea874c1be94c14d2526c42a9d0393e (patch) | |
| tree | 80a014fbbb867c414296f8e7c3ee42da5b61f60b | |
| parent | 302a3269d6231dc276956b4e44e5e4b4bf7bc454 (diff) | |
| download | ffmpeg-517c856d7fea874c1be94c14d2526c42a9d0393e.tar.gz | |
avcodec/mjpegdec: Check for end for both bytes in unescaping
Fixes assertion failure
Fixes: c40c779601b77dc6e19aaea0b04b9751/signal_sigabrt_7ffff6ae7cb7_5769_b94f6ec70caecb2d3d76b4771b109ac1.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 509c9e74e548139285f30ed8dcc9baf1d64359fa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/mjpegdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index 7f2d479906..b35dff5256 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -1939,7 +1939,7 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s, while (b < t) { uint8_t x = src[b++]; put_bits(&pb, 8, x); - if (x == 0xFF) { + if (x == 0xFF && b < t) { x = src[b++]; if (x & 0x80) { av_log(s->avctx, AV_LOG_WARNING, "Invalid escape sequence\n"); |